fix(kubernetes): sync active kubeconfig to store's selectedClusterId

- Update handleActivateKubeconfig to call setSelectedCluster after activation
- ResourceBrowser now loads resources for the activated kubeconfig's cluster
- All tests passing, build successful

src/pages/Kubernetes/KubernetesPage.tsx

@@ -15,7 +15,7 @@ import {
 } from "@/lib/tauriCommands";
 
 export function KubernetesPage() {
-  const { selectedClusterId } = useKubernetesStore();
+  const { selectedClusterId, setSelectedCluster } = useKubernetesStore();
   const [kubeconfigs, setKubeconfigs] = useState<KubeconfigInfo[]>([]);
   const [portForwards, setPortForwards] = useState<PortForwardResponse[]>([]);
   const [isLoading, setIsLoading] = useState(true);
@@ -44,7 +44,14 @@ export function KubernetesPage() {
   const handleActivateKubeconfig = async (id: string) => {
     try {
       await activateKubeconfigCmd(id);
-      await loadData();
+      const [kubeconfigsData] = await Promise.all([listKubeconfigsCmd()]);
+      setKubeconfigs(kubeconfigsData);
+      
+      // Select the active cluster from the activated kubeconfig
+      const activeConfig = kubeconfigsData.find((c) => c.is_active);
+      if (activeConfig) {
+        setSelectedCluster(activeConfig.id);
+      }
     } catch (err) {
       console.error("Failed to activate kubeconfig:", err);
       alert("Failed to activate kubeconfig");

src/stores/kubernetesStore.ts

@@ -1,5 +1,5 @@
 import { create } from "zustand";
-import type { ClusterInfo, ContextInfo, ResourceInfo } from "@/lib/tauriCommands";
+import type { ClusterInfo, ContextInfo, ResourceInfo, KubeconfigInfo } from "@/lib/tauriCommands";
 
 export type ResourceType = 
   | "pods" 
@@ -103,6 +103,13 @@ export const useKubernetesStore = create<KubernetesState>()((set, get) => ({
   // Actions
   setSelectedCluster: (clusterId) => set({ selectedClusterId: clusterId, selectedNamespace: "all" }),
   
+  selectClusterFromKubeconfig: (kubeconfigs: KubeconfigInfo[]) => {
+    const activeConfig = kubeconfigs.find((c) => c.is_active);
+    if (activeConfig) {
+      set({ selectedClusterId: activeConfig.id, selectedNamespace: "all" });
+    }
+  },
+  
   setSelectedNamespace: (namespace) => set({ selectedNamespace: namespace }),
   
   addCluster: (cluster) => set((state) => ({